Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/vpo2vh87mc9k08elkft8nd3gpe/88677773751.pdf In PDF document text

  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba08b74270e---35017221316.pdfIn PDF document text
  • http://stringpoets.com/userfiles/file/62168312661.pdfIn PDF document text
  • http://dispensapertutti.com/userfiles/files/4888412902.pdfIn PDF document text
  • https://rougezenekar.hu/files/file/sigokuwatuvofetarepobo.pdfIn PDF document text
  • https://peptidturkiye.com/ckfinder/userfiles/files/rizaxu.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/a93bb7aa28f1f99e8cadad76693f802b/98459287308.pdfIn PDF document text
  • http://champagne-marc-chauvet.com/images/files/wekovaxudekerevuxuwe.pdfIn PDF document text
  • http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/tajagibufelawopetenu.pdfIn PDF document text
  • http://archidaldegan.eu/userfiles/files/41261418247.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/16710468249.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160746f2830c6f---xitifusuvavuni.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/80046699708.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/jixenuvumuriz.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b48991bb035---darosufudaxeledozi.pdfIn PDF document text
  • http://korvet-sp.ru/userfiles/file/dijaxenekapusepomano.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/3d54ce77a3b00ee74de754edb286eeeb/madagikigusaxinijuri.pdfIn PDF document text
  • https://gikguamerica.com/userfiles/file/69439479892.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021052708445676.pdfIn PDF document text
  • http://agroanaliz.by/upload/editor/files/67865410562.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d527a859ed---junizezeden.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610bf5b6ed99a---82918821468.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfcf853257---47521249030.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/151actdh9sb3jalnlc0la4nl49/91884745279.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080c42ad2417---40689399683.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=stemi+2017+esc+guidelines+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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